Lochinvar Crest FBD 2.5 Manuel Supplémentaire page 13

3
Schémas
Figure 3-2 Diagramme en escalier_2.5 - 3.5 Modèles
120VAC
TERMINAL STRIP
120V SUPPLY "L"
ON/OFF
SWITCH
X1-6
X
X6-1
X2-5
CAM SWITCH
BLOWER PROVING
SWITCH (LARGE)
BLOWER PROVING
SWITCH (SMALL)
BLOCKED FLUE
BLOCKED DRAIN
(suite)
JUNCTION BOX
INTEGRATED CONTROL
X1-3
1.5A EACH MAX
X1-12
TERMINAL STRIP
F2 F4
X1-1
SYSTEM PUMP
SYSTEM PUMP
3.15 A 5.0 A
RELAY
X1-2
BOILER PUMP BOLIER PUMP
RELAY
X1-4
DHW PUMP
RELAY
X1-8
SMALL BLOWER RELAY
X2-4
LARGE BLOWER RELAY
SMALL GAS
1 0 1 - VALVE RELAY X 1 0 2 -
LARGE GAS
X10-3
VALVE RELAY
PROPANE
NATURAL
LARGE GAS
X10-6
VALVE RELAY
SMALL GAS
VALVE RELAY X10-5
X10-4
X1-3
X1-7
SPARK
X1-10
GENERATOR
X2-5
X6-3
X6-10
X11
X13-4
USB
INTERFACE
SMALL BLOWER
SMALL BLOWER
1 2
RELAY
LARGE BLOWER
LARGE BLOWER
3
1
RELAY
3
X1-1
X1-2
BAS
X1-3
FLUE DAMPER
TRANSFORMER
FLUE DAMPER
1 2
M
3
24V
TRANSFORMER
J3-6 J3-5
LWCO TEST
J3-3 J3-2
PROBE SWITCH
LWCO
J2-1 J3-4
BOARD
LWCO RESET
J2-2
CAM
SWITCH
PROPANE LIGHT
INTEGRATED
CONTROL
NATURAL LIGHT
X6-5
PROPANE LGPS
GPS2 GPS3
NATURAL LGPS X6-15
X3-3
X6-12
X3-4
X13-1
X3-1
SWITCH X6-6 X3-2
X5-1
SWITCH
X5-7 X6-11
X5-2 X6-2
X5-8 X6-14
X5-3
X5-9 X6-13
"X5"
BLOCK WIRING
X5-4 X6-4
IS MODEL
DEPENDANT
X5-10
X5-5
X5-41
X5-6
X5-12
Manuel supplémentaire pour la Dual Fuel (Double Combustible)
NEUTRAL
TERMINAL STRIP
120V SUPPLY "N"
GROUND
CONTACTOR
INTEGRATED
CONTROL
X8-20 X4-1
CONTACTOR
X8-10 X4-2
DHW PUMP BAS
CONTACTOR
X8-1 X4-3
X7-8
X7-7
PROPANE
X8-13
NATURAL
X8-14
X8-12
X8-11
X8-5
X8-15
FLAME
SENSE 2
X8-6
SPARK
ROD
X8-16
X8-7
FLAME
SENSE 1
X8-17
X8-1
X8-3
INLET SENSOR
X8-8
OUTLET SENSOR (S9)
X8-2
OUTLET SENSOR (S1)
X8-4
FLUE SENSOR
2 X8-9
FLUE SENSOR (S10)
X7-1
PRE-MIX SENSOR 1 (S11)
X7-5
PRE-MIX SENSOR 1 (S13)
X7-2
PRE-MIX SENSOR 2 (S12)
X7-6
PRE-MIX SENSOR 2 (S14)
X6-18 1
X6-9 2
X6-17 4
X6-8 5
1
X13-2 2
X13-3 4
5
X4
LG CON BRD
CN1-4
RIBBON CABLE
CN1-5
CN1-6
1
ALARM
CONTACTS
2
CN1-12
3
RUN-TIME
CONTACTS
4
CN1-10
5
TANK
THERMOSTAT
6
CN1-11
7 R
ENABLE
8 W
CN1-9
9
LOUVER
PROVING
10
CN1-8
11
24 VAC LOUVER
RELAY COIL
12
CN1-7
13
AUX
SWITCH 1
14
CN1-1
15
AUX
SWITCH 2
16
HIGH LIMIT
CN1-2
SWITCH
CN1-3
SMALL
CONNECTION BOARD
Notes:
1. All wiring must be installed in accordance with: local, state, provincial and national code requirements per either N.E.C. in USA or
C.S.A. in Canada.
2. If any original equipment wire as supplied with the appliance must be replaced, it must be replaced with wire having same wi re gauge
(AWG) and rated for a minimum of 105°C. Exceptions: Replacement high voltage spark lead and ribbon cables must be purchased
from the factory. Use of a non-approved spark lead or ribbon cables can lead to operational problems which could result in
non-repairable damage to the integrated controller or other components.
3. Actual connector block locations may vary from those show n on diagrams. Refer to actual components for proper connector blo ck
locations when using diagrams to troubleshoot unit.
! WARNING
BOX DEPICTS
OPTIONAL ITEMS
DISCONNECT POWER
BOX DEPICTS
BEFORE SERVICING
DUAL SENSOR
SINGLE HOUSING
LOW VOLTAGE
120 VAC
HIGH VOLTAGE
LARGE
CONNECTION BOARD
X6-3 CN6-3
X6-1 CN6-2
X6-2 CN6-1
17
SHIELD
18 A
MODBUS
CN3-6
OPTION
19
B
20 SHIELD
CN3-7
21 +
RATE
0-10V
OUT
22 -
CN3-14
23 +
BOILER
0-10V
PUMP OUT
24 -
CN3-13
25
SYSTEM RETURN
SENSOR
26
CN3-12
27
SYSTEM SUPPLY
SENSOR
28
CN3-11
29
TANK
SENSOR
30
CN3-10
31
OUTDOOR
SENSOR
32
CN3-4
CN3-9
33 +
BMS
0-10V
- IN
34
CN3-8
35 +
SYSTEM
0-10V
PUMP IN
36 -
CN3-1
37 SHIELD
38
A
CASCADE
CN3-2
39 B
40
SHIELD
CN3-3
CN3-4
-T
-T
-T
-T
-T
-T
-T
-T
-T
SMALL BLOWER
LCD
DISPLAY
LARGE BLOWER
WIFI
DONGLE
8 43 USB CABLE
BAS J6 J7 SW1
CN6-2
J8
J10
CN6-1
J9
J17
CN6-3
OPTIONAL USB/WIFI
J2 J11 J23
J12 EXTENSION CABLE
24V
E
GND OPTIONAL
ETHERNET CABLE
100267529 REV A
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